diff --git a/cv3/program.c b/cv3/program.c
index c678089..11bfaf8 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -20,7 +20,7 @@ int main(){
         vstup[strcspn(vstup, "\n")] = 0;
         if(strlen(vstup) == 0){
             printf("no input");
-            break;
+            return 0;
         }
         if(vstup[0] == '-' || vstup[0] == '+' || vstup[0] == '*' || vstup[0] == '/'){
             if(vstup[0] == '-'){